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Alstonia angustiloba

Common pulai · Family: Apocynaceae · ID 34502 · alive · Condition: fair · LC · Least Concern · Elevation: 32.3 m

Photos

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trunk branches leaf

Dimensions

17.2 mHeight
3.9 mTrunk height
24 cmTrunk diameter (DBH)
12.78 mCanopy height
5.37 mCanopy width
16.87 mCanopy circumference
22.89 m²Crown projection area
188.65 m³Crown volume
1Stems

Structure & risk

73.89Slenderness (H/D)
0.24Safety factor (default wind)
6.89 °Leaning angle
4.48 °Trunk lean angle
67.99Competition index
2.8 mTree protection zone
4.19 mRoot protection zone
l0TMS category

Health & vitality

fairCondition
lowVitality
matureAge class
moderately defoliatedCrown transparency
58.47 %Foliage transparency
1.72 %Dieback
59.18 %Crown density
32.02 %Crown light exposure ratio
74.29 %Live crown ratio
178.34 m²Leaf area
7.8Leaf area index (LAI)
0.95Leaf area / crown vol.

Ecosystem services

132.36 kgCarbon storage
12.86 kgCarbon sequestration / yr
33.98 kgOxygen production / yr
0.07 m³Avoided runoff
1.09 m³Water intercepted
1.29 m³Transpiration
1.09 m³Evaporation
6.68 m³Potential evapotranspiration
2.42 gCO removed / yr
9.56 gNO₂ removed / yr
20.62 gSO₂ removed / yr
6.02 gPM2.5 removed / yr
115.17 gO₃ removed / yr

Surroundings

noneOverhead utilities

Amenity valuation

1868.34CAVAT value
10475.62Koch value
1087.94RADO value

Other

2025-12-19G u fextracted_change date
23:57:09G u fextracted_change time
35G u fextracted_critical wind speed
2025-06-16G u fextracted_inv date
Jalan P11c/6G u fextracted_street
7001G u fextracted_taxon i d
4.43Crown base height
17.2Live height

Clearances

ClearRoad clearance

Not provided Catalogued metrics with no value for this tree — measured, derived or analysed alike. Listed rather than hidden so absence is visible instead of inferred.

Girth — the survey did not record which measurements were availableGrowth formCrown light exposure — the survey did not record which measurements were availableOutlier index — the survey did not record which measurements were availableTrunk measuredCrown measuredSpecies identified

Location

Jalan P11c/6 · 2.970163, 101.671157 · Elevation 32.3 m